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19f6d71077
Previously the specifier calls could only indicate OOM by returning NULL. With this change they will return negative errno-style error codes like everything else.
40 lines
1.5 KiB
C
40 lines
1.5 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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#pragma once
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/***
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This file is part of systemd.
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Copyright 2010 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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typedef int (*SpecifierCallback)(char specifier, void *data, void *userdata, char **ret);
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typedef struct Specifier {
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const char specifier;
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const SpecifierCallback lookup;
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void *data;
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} Specifier;
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int specifier_printf(const char *text, const Specifier table[], void *userdata, char **ret);
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int specifier_string(char specifier, void *data, void *userdata, char **ret);
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int specifier_machine_id(char specifier, void *data, void *userdata, char **ret);
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int specifier_boot_id(char specifier, void *data, void *userdata, char **ret);
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int specifier_host_name(char specifier, void *data, void *userdata, char **ret);
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int specifier_kernel_release(char specifier, void *data, void *userdata, char **ret);
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